Radiation Island
All offers (5)
Compare the platform, region and delivery before you buy.
Standard Edition 5 offers · EU & Global
Radiation Island Steam KeyActivation keySteamGlobalLowest price€25.13View deal
Radiation Island GlobalActivation keySteamGlobal€25.42+ service feeView deal
Radiation Island Steam CD KeyActivation keySteamGlobal€25.67+ payment feeView deal
Radiation Island Steam Key GLOBALActivation keySteamGlobal€25.72+ service feeView deal
Radiation Island (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€31.08no Plus, no ProtectView deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermany€8.19No feeView on Steam
You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.
Best price over the last 32 days
- Lowest €25.1111 Nov 2026
- Highest €25.6727 Oct 2026
- Today €25.11
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Radiation Island key: current price comparison
Where is the Radiation Island key cheapest?
The cheapest Radiation Island key that activates in the EU currently costs €25.13 at CJS CD Keys. Keyfinder compares 5 offers from 5 shops for this price. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Radiation Island key price in the last 32 days?
€25.11 on 11 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €25.67 on 27 Oct 2026; today the cheapest key costs €25.11.
Which Radiation Island keys activate in the EU?
5 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam.
How do I activate the Radiation Island key?
The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.
Is it safe to buy a Radiation Island key from CJS CD Keys?
Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our CJS CD Keys check covers who runs the shop, its fees and its regions.
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About Radiation Island
Radiation Island is a survival adventure game where you craft your own destiny in a huge open world environment. As part of the Philadelphia Experiment you have become stranded in a parallel, alternate reality. Discover this new and mysterious world, with all its surprises. Use everything you find to survive it and solve its puzzle to get back to the real world.
- Developer
- Atypical Games
- Publisher
- Atypical Games
- Release date
- 29 Nov 2016
- Steam
- View on Steam